13312089 has 24 divisors (see below), whose sum is σ = 22156992. Its totient is φ = 7544160.

The previous prime is 13312087. The next prime is 13312093. The reversal of 13312089 is 98021331.

It is not a de Polignac number, because 13312089 - 2¹ = 13312087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13312081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7447 + ... + 9059.

It is an arithmetic number, because the mean of its divisors is an integer number (923208).

Almost surely, 2^13312089 is an apocalyptic number.

It is an amenable number.

13312089 is a deficient number, since it is larger than the sum of its proper divisors (8844903).

13312089 is a wasteful number, since it uses less digits than its factorization.

13312089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13312089 is about 3648.5735568849. The cubic root of 13312089 is about 237.0002136408. Note that the first 3 decimals are identical.

The spelling of 13312089 in words is "thirteen million, three hundred twelve thousand, eighty-nine".